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The Muscular Tissues

The Muscular Tissues . Prepared by : Reem Aldossari. The Muscular Tissues General characteristics of the muscular tissues: The cells of the muscular tissues are elongated elements, named muscle fibers .

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The Muscular Tissues

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  1. The Muscular Tissues Prepared by : Reem Aldossari

  2. The Muscular Tissues General characteristics of the muscular tissues: • The cells of the muscular tissues are elongated elements, namedmuscle fibers. • The cytoplasm of the muscle fiber, the sarcoplasm, contains myofibrils. These fibrils are made up of the proteins actin and myosin. • The plasma membrane of the muscle fiber is called the sarcolemma. • There are three types of muscle fiber: • Skeletal muscles, which are voluntary and striated. • Smooth muscle, which are involuntary and non- striated. • Cardiac muscles, which are involuntary and striated.

  3. sarcolemma nuclei Connective tissue Dark and light bands Muscle fiber

  4. 1 2 3 • T.S. of Striated Muscles Fibers (Skeletal Muscles Fibers) • Endomysium 2-Perimysium -3- Epimysium

  5. nuclei Muscle fiber Connective tissue

  6. nuclei Connective tissue Dark and light bands intercalated disc Muscle fiber

  7. The Nervous Tissues

  8. Neurons Glial cell nucleus The nervous Tissue Neurons – Glial cell nucleus

  9. The CELL DIVISTION

  10. The CELL DIVISTION Cell division is a process by which the cellular material is divided between 2 new daughter cells. Mitosis (or indirect division) • occurs in somatic cells of higher organisms. • it is the means of population growth in unicellular organisms. • results in two daughter cells. • have the same number of chromosomes of the mother cell.

  11. Prophase Mitosis Division (Animal cell ) Prophase

  12. Metaphase Mitosis Division (Animal cell ) Metaphase

  13. Anaphase Mitosis Division (Animal cell ) Anaphase

  14. Telophase Mitosis Division (Animal cell ) Telophase

  15. Thank you for your attention

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